Streamlined locomotive



Nov. 17, 1942. c. H. KNOWLTON ETAL 2,302,635

STREAMLINED LOCOMOTIVE Filed Dec. 19, 1941 6 Sheets-Sheet 1 7 I INVENTOR 9 3% WW Q 4 6 c. H. KNOWLaTON ETAL STREAMLINED LOCOMOTIVE Nov. 17, 1942 Filed D90. 19,-1941 6 Sheets-Sheet 2 INVENTOR' 1942 c. H. KNbWLTON EI'AL 2,302,335

STREAMLINED LOCOMOTIVE Filed Dec. 19, 1941 6 Sheets-Sheet 3 A770/P/VE) 1942- c. H. KNO WLTON ETAL 2,302,635

I STREAMLINEDLOCOMOTIVE I Filed Dec. 19, 1941 6 Sheets-Sheet. 4

lNVENToRcs- JGM 1942. c. H. KNOWLTON AEI'AL 2,302,635

' STREAMLINED LOCOMQTIVE Filed Dec. 19, 1941 e Sheets-Sheet s Mariana A Alma Patented Nov. 17, 1942 STREAMLINED LOCOMOTIVE Chase H. Knowlton, Greenburg'h, N. Y., and George M. Davies, Fair Lawn, N. J., assignors to The New York Central Railroad Company, a corporation of New York Application December 19, 1941, Serial No. 423,670

9 Claims.

The streamlining of railroad locomotives presents certain difficulties, particularly with the streamlining of the front end of the locomotive, because of the necessity of designing a front end streamlining feature in such manner that ready access may be had to the smoke box of the boiler.

The object of our invention is to provide a streamlining for the front end of the locomotive of such construction that ready access may be had to the smoke box, and with this and other objects in view, our invention consists of the parts, and combination of parts hereinafter set forth.

In the drawings:

Figure l is a front elevation of a locomotive embodying our invention,

Figure 2 is an enlarged front elevation of the upper portion of Figure 1.

Figure 3 is a side elevation of a portion of a locomotive showing our improved construction.

Figure 4 is a detail side elevation of the upper half of the front cowling shown in elevated position.

Figure 5 is a front elevation showing the two lower portions of the cowling in open position.

Figure 6 is an enlarged detail elevation of the lower end of the prop for the upper section of the front cowling.

Figure 7 is a section on the line l! of Figure 6.

Figure 8 is a side elevation of the upper cowling detached.

Figure 9 is a plan View of one of the lower doors.

Figure 10 is an enlarged detail view of the hinged section of the upper half of the cowling.

Figure 11 is a section on line lI-l I, Figure 10.

Figure 12 is a detail plan view at the hinge portion of the upper door.

Figure 13 is a front elevation of Figure 12.

Figure 14 is a side or end elevation of Figure 13..

Figure 15 is an enlarged detail sectional view showing the joint between the upper door and the two lower doors taken on line i 5-15 of Figure 1.

Figure 16 is a detail horizontal section, taken on line l5l6 of Figure 8.

The reference numeral I designates a locomotive of any approved type, the pilot of which 15 streamlined by a plate 2 attached thereto, said plate being provided with a coupler door 3 which may be removed for the purpose of operating the coupler. This plate 2 is provided with step openings 3a.

Extending above the pilot beam 4 to the bottom of the boiler is an intermediate cowling streamling plate 5. At each side of the streamlining plate 5 are arranged a plurality of removable strips 6 spaced from each other and curved from end to end to carry out the streamlining effect of the plate 5. The space I between these strips permits the flow of airbetween them back onto the parts of the locomotive on each side thereof.

The front end of the boiler is streamlined something along the line of a bullet or bulbous shape, and consists of an upper door 8 and lowerdoors 9 and Ill, the upper door 8 is provided at its lower edge with an angle iron 8a having a bolt opening Illa. Below this bolt opening and" viding an offset or shelfbeyond the sides of the upper door, as clearly' shown in Figure 2.

These doors are secured together by means of a plurality of bolts l5 which pass through the bolt openings in the angles 8a and I4 and engage the nuts I I, thereby holding the upper and lower, doors in a locked position, shown in Figures 1, 2 and 3.

A head light frame I6 is rigidly secured to the, upper door 8, the adjacent upper corners of the lower doors being formed as at I60. to conform with the lower portion of the head light frame as shown.

The upper door is provided with a hinge memher It having depending flanges is through which is formed a right angle groove l9, The other hinge member of the upper door comprises a bracket 2i} suitably secured to the front end of the boiler and provided with an upwardly curved portion 2| to which is secured a pin or hinge pintle 22. There are two of these brackets 2| formed integral with the plates 23.

Secured within and near each side of the upper door are spaced brackets 24 between which the upper end of a prop rod 25 is suitably pivoted by means of the pivot pin 25. Secured to'the front end of the boiler is, a bracket 2! having suitable spaced lugs. 28 between which the lower end of the rod 25 is pivotally secured by means of the pin or bolt 29. If and when it is necessary to elevate the upper door of the front streamlining door. 8 of the locomotive it is elevated by a crane or other suitable device to the position shown in Figure 4 whereupon the prop rod 25 is secured at its upper end by the pin 26 to the lugs 24, in which position the prop firmly and safely holds the door in its elevated position. When the upper door is in its lower position the prop 25 is held against movement by the pipe clamp 30, which clamp is provided with a set screw 3| to hold the prop in its inoperative position against displacement. These props 25 and the clamps 30 are shown in dotted lines in Figure 2, and in full lines in Figure 4.

It will be noted that in the closed position of the upper door 8 the hinged pintle 22 is positioned in the forward end of the right angle slot l9, whereas, when the door 8 is in elevated position, as shown in Figure 4, the pin is in the vertical arm of the slot IS, the weight of the door resting upon the prop 25 and the hinge pintle 22.

The upper door 8 being of a metal of comparatively light gage, I provide the same with strengthening ribs 32.

A hinge member 33 for the lower doors is suitably secured to the door and is provided with arms 34. The other co-acting member of the lower door hinge 3B, suitably secured to the front wall of the boiler, is provided with arms 31, which are adapted. to swing between the lugs 34 of the hinge member 33, as clearly shown at 34 in Figure 5.

The lower door 9 is provided with operating handles 38 by means of which the door may be swung open for inspection or other purposes after the bolts I have been removed to release that door.

The streamlining plate 5 is provided with foot openings 39.

As heretofore explained, the upper half of the bulbous shape cowling for the boiler is of less diameter than the lower half, thereby providing a ledge around the front of the bulbous cowling at the juncture of the upper and lower half thereof.

The upper half of the boiler cowling is in one piece and is hinged at the top as heretofore explained, The lower half is in two sections, each bein hinged at one side.

For routine smokebox inspection one of the lower doors is opened after the bolts l5 are removed whereby the door is free to swing open on its hinge. To do this the band 4!! should also be removed which covers the joint between the front of the boiler and the rear of the cowling. The other lower door is opened in the same manner.

To open the top half of the boiler cowling the bolts l5 are removed, then the two lower doors are opened, then the upper half is moved bodily away from the front of the smokebox by any suitable means, such, for instance. as a pinch bar, until the hinge pin 22 slides along the slot !9 until it passes into the vertical arm of the slot, as shown in Figure 4. When the door is in this position the shop practice will probably be to use a crane to elevate the door, it being understood that the headlight frame is integral with the upper half of the cowling. When the upper half of the cowling is raised to the position shown in Figure 4 the prop is disengaged from the catch 30 and detachably connected with the lugs 24 by the pin 26 at the bottom edge of the upper half of the cowlin whereby the upper half of the cowling is firmly and safely locked in its uppermost position, thus preventing it from falling and injuring an operator. The intermediate cowling section 5, as explained, extends down from the bulbous boiler front cowling to the top of the beam 4. This intermediate cowling is provided With removable sections, or slats 6, preferably concave to carry out the streamline feature of the front of the locomotive, and extending rearwardly from the vertical side edges of the intermediate cowling. These slats are removable to facilitate work in renewing air pumps, piston valves, et cetera.

The center of support to the smokebox is provided with an expansion joint (not shown) which should be maintained as such.

What we claim is:

1. In a locomotive, a substantially bulbous shaped cowling for the front end of the boiler, comprising an upper hinged door and two lower hinged doors and an interlocking joint between the upper and lower doors.

2. In a locomotive, a substantially bulbous shaped cowling for the front end of the boiler, comprisin an upper hinged door and two lower hinged doors, and an interlocking joint between the upper and lower doors and means to hold the upper door in its raised or open position.

3. In a locomotive, a substantially bulbous shaped cowling for the front end of the boiler, the lower portion of which comprises two oppositely movable hinged doors, and an upper portion comprising a single upwardly movable hinged door of less diameter than the lower portion of the cowling.

4.. In a locomotive, bulbous shaped cowling for the front end of the boiler, the lower portion of which comprises two oppositely hinged doors, while the upper portion comprises a single upwardly movable door hinged at the top, and interengaging flanges on both the upper and lower doors.

5. In a locomotive, a cowling for the front end of the boiler comprising an upper door hinged at its upper edge, and two lower doors hinged at their outer vertical edges, means interlocking the upper and lower doors in their closed position,

6. In a locomotive, a cowling to cover the front end of the boiler, comprising an upper door, and two lower doors, an outwardly extending flange at the lower edge of the upper door, and an inwardly extending flange at the upper edge of the lower doors, said flanges designed to overlap when the doors are in closed position, and means locking said flanges together.

'7. In a locomotive, a cowling to cover the front end of the boiler, comprising an upper door and two lower doors, an outwardly extending flange at the lower edge of the upper door having a plurality of bolt openings therethrough, threaded nuts welded to the lower face of said flange with their threaded openings in line with the openings in the flange, an inwardly extending flange at the upper edge of each lower door and provided with a plurality of bolt openings. said flanges over-lapping and said bolt openings registering when the doors are in closed position, and bolts extending through said openings and engaging the said welded nuts.

8. In a locomotive, a cowling for the front end of the boiler comprising an upper door hinged at its upper edge, a headlight frame rigidly fixed to the lower portion of said door. and two lower oppositely hinged doors each provided at their upper inner corners with a cutaway. portion in which the lower portion of the headlight frame nests when the doors are in their closed position,

plate intermediate the boiler cowling and pilot cowling, a plurality of convex slats extending rearwardly from the outer vertical edges of the and means to lock the upper and lower doors together in their closed. position.

9. In a locomotive, a substantial bulbous shape cowling for the front end of the boiler comprising an upper hinged door and tWo lower hinged doors, in combination with a streamline convex cowling for the pilot and a convex streamline intermediate cowling.

CHASE H. KNOWLTON. GEORGE M, DAVIES. 

